market freq_block round_num bid_amt bidder_num date time net_bid_amt sort_col_1 sort_col_2 B275 E 61 146284 2717 10/17/96 16:26:00 146284 34 14 B129 E 61 54949 2717 10/17/96 16:26:00 54949 34 26 B460 D 61 180433 2717 10/17/96 16:26:00 180433 42 10